Paper-movement indicator for type-writers.



PATENTED FEB. 11, 1908.

C. C..PO0LE. PAPER MOVEMENT INDICATOR FOR TYP-E WRITERS.

APPLICATION FILED DBO. 2811904.

2 SHEETS-BHBET 1.

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liiiu N.0.-878,743. PATENTED FEB. 11, 1908. I I G. O. POOLE.

PAPER MUVEMENT INDICATOR FOR TYPE WRITERS.

A APPLICATION FILED DE0. 2B.1904.

2 sums-sum 2.

a l M (7. CZarezzoelfbalw 42%)) vzeya UNITED STATES PATENT OFFICE.

CHARLES CLARENCE POOLE, OF EVANSTON, ILLINOIS, ASSIGNOR TO OLIVER TYPEWRITER COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

PAPER MOVEMENT INDICATOR FOR TYPE-WRITERS.

Specification of Letters Patent.

Patented Feb. 11, 1908.

Application filed December 28' 1904- Saris-1N0. 238.591-

-POOLE, a citizen of the United'States, of

Evanston, in the county of Oookand State of Illinois, have invented certain new "and useful Improvements in Paper-Movement Indicators for Type-VVriterS; and I do hereby declaim that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invent-ion relates to novel features of construction in the paper carriages of typewriting machines and more especially to an indicator adapted to indicate the extent to which the platen should be turned backward by hand for inserting new sheets, when making carbon copies of a number of writings on a single record strip or sheet, and with uniform or predetermined spaces between such' carbon copies. The invention consists in the matters hereinafter described and more particularly pointed out in the appended claims' In the accompanying drawings illustrating my invention :Figure 1 is a' perspective view of the right hand of a paper carriage,

' showing the platen therein and associated I view thereof.

and H the scale strip parts. 'Fig. 2 is an end view of the paper carriage. Fig. 3 is an enlarged, sectional view of the parts constituting the invention, taken on a plane passing longitudinally through the axis of the laten shaft. Fig. 4

is a perspective view 0 a modified form of the indicating device. Fig. 5 is a sectional As shown in said drawings, A indicates the platen or aper roller, B the right hand. end plate of t epapercarriage, in which the shaft 0, of the platen has bearing, O and D the paper guides on the carriage, E the u per longitudinal frame bar of the carriage, one of the paper guides mounted on said frame bar, G the upper guide roller of the carria e, located above t e platen adjacent to said guide roller. The platen shaft a has at its outer end a knob or disk A by which the platen may be turned by the hand of the operator. The parts above described correspond with those used at present in the type of machines types strike downwardly upon the top surface thereof. 1

I indicates an annular member or disk carrying an index finger or pointer J, and which is mounted on the platen shaft and is adapted to turn with said shaft and also to be turned by hand on the shaft. Said disk or wheel is provided with circumferentially spaced graduations or scale marks, which are spaced at unlform angular distances apart to correspond with the llne'space movements of the platen and are progressively numbered from the index hand. or pointer J on the disk. K indicates an index finger or pointer on the carriage frame, which co-acts with the index finger J on the disk I, and L indicates an index finger or pointer which is mounted on and turns with said disk'I and is adapted to be turned-or rotated about the shaft axis toward or from the index finger J, or placed in varying angular position with respect to said finger J and to remain at any point to which it may be moved or adjusted.

So far as the eneral ends to be attained are concerned, t e disk I may be en aged with the platen shaft by any form of (f ada ted to hold the disk from freely turning on t e shaft, so that the pointer'J will turn or rotate with said shaft in the usualrotatii-e orline spacing movement of the latter, while at the same time enabling said disk to be turned or rotatively shifted on the shaft by hand when desired.- Likewise, the pointer L may be connected with the'disk I by any 'means adapted to retain the same in any position in which it may be placed with respect to the pointer J on the dlsk, while enabling the said ointer to be readily shifted when desired.

11 the preferred embodiment of my invention illustrated in the drawings, the disk I is frictionall engaged with the shaft so that it turns wit .the .shaft but is adapted'to be turned on the same while the pointer L is made adjustable on the disk and held. in

place thereon by aninterlocking connection or by a locking device adapted to hold said GVEEZE f pointer in any position on the disk to which it may be moved.

' Now referring to the details of Construction in the features above referred to, .illus-,

trated in Figs. 1, 2 and 3 of the drawings: The disk I is mounted on the platen shaft a outside of and adjacent to the end late of the carriage frame. Attached to t e'said platen shaft a inside of the disk I or between the same and the 0nd platcof the frame is a disk M. The said disk I has on its outer face a central huh I and is provided with a central, cylindric aperture to receive the shaft 0, so that the said disk is adapted both to turn and slide endwisc on the shaft. Said disk I is held in position adjacent to the fixed disk M by a sleeve or collar 0, which is se cured to shaft by a set-screw o and to which, in the particular construction illustrated in the drawings, the knob A is rigidly attached and throu h the medium of which said knob is detachaily secured to said platen shaft. The disk M has a flat, outer, annular bearing face arranged opposite a like bearing face of the disk I, and between the movable and fixed disks I and M, is located an elastic or spring washer N, preferably having the form of a circular, centrally apertured, thin plate of sheet metal, of elastic character, such as steel, which is slightly bent or curved later.- ally, as indicated in the drawings, (Fig. 3) so that it will be placed under tension when confined between the,fixed disk M and the rotative disk I, and will ress or bear on the adjacent faces of said disks so as to afford frictional resistance to the turning of the disk I on the shaft. I

The pointer L, which is mounted on and turns with the disk I, is, in the preferable construction illustrated in the drawings, at tached to a radial arm'L secured to an annular member in the form of a hub or sleeve L which is mounted and adapted to turn on the huh I of said disk. The said sleeve L is held from endwise movement on the hub bya ring i which surrounds the outer end of the hub and is secured by a screw i Said ring i is made larger in external diameter than the adjacent part of the sleeve or collar 0, and is knurled or milled on its edge, so

1 that it may be readily enga ed by the fingers for turning the disk I. T 1e locking device for holding the pointer L adjustably in a desired position with respect to the pointer J on the disk 1, consists, as shown in the drawings, of a spring actuated lockin detentP, mounted on the arm and adapts to engage one of a series of circumferentially arranged locking holes or recesses Q Q fornied'in the said. disk. I. I form of a sliding pin, mounted in a cylindric casing Z on the arm I), and which is held normally in engagement withcne of the locking recesses Q Q by a coiled spring Z which surrounds the detent pin and is located in the casing Z. Said spring bears at its one end against an inwardly facing annular shoulder at the outer end of the casing and at its opposite end against a shoulder p on the said detent pin. Said detent P is provided at its outer end with. a head or knob j) by which it may be drawn. outwardly by the fingers to release it from the recess Q with which it is Said locking detent P has the erases engaged in the act of shifting or moving the pointer l1 relatively to the pointer J.

The indicating disk is preferably provided with a cylindric peri heral surface, on which are formed the gra nations or scale marks referred to, so that the said graduations and the numbers applied thereto may be readily observed by the operator. In connection with the scale so marked on the diskI, the

stationary pointer K is extendedrhorizon tally from the end plate of the carriage over the inner edge of the peripheral surface of the said disk and the pointer L extends at right.

angles from its supporting arm L inwardly over said cylindric surface.

The operation of the indicating device described will be understood from the follow ing :-Thc general purpose of the line space in-.

dicating device is to indicate to the operator the extent to which the platen must be turnled backward when inserting a sheet of paper into the machine in order to bring the first line of printing the desired distance from the "top margin of the paper, according to the space dccupied by the heading on the sheet.

More particularly, theindicating device is I designed for use in cases where it is desired to make out a number of bills or invoices andto make carbon copies of the same 'on a single strip or 1011 sheet of paper. In a case of this kind, it 1s desirable that the copies should be spaced as closely as possible on the record strip but at uniform distances apart, or with equal spaces between several records or copies, and the line indicating devices is em-' ployed to enable the operator to readily in sert a new sheet for each separate original bill or invoice in such manner that the first printed line of the carbon copy shall belocated at adesired distance from the last printed line. of the preceding carbon copy, while at the same time the first line' of the original bill or invoice will comecertainly in proper position with respect to the top margin of the sheet in which the said original bill or invoice is printed. As for instance, supposing the record strip and a sheet of paper for the original bill or invoice has been together insorted into the machine with carbon paper between them, the first hill or invoice may be printed and the carbon copy will be nijade in the usual manner on the record stripi The printing of the bill or invoice having been completed, the platen will then be turned to carry the original sheet out of the machine,

and the platen then turned backwardly to from the pointer J equal to the dis'tiin'ce which it is necessary to turn the platen backward, after printing the last lineof one bill or invoice, in order to start a new original sheet into the machine in 'such manner that the first line of the next bill or invoice, when started at the proper place on the original sheet will, on the carbon copy-sheet, come. at

a desired distance of two, threefor more line the disk until it comesopposite the fixed pointer K. The angular distance between the pointers J and I.- will then correspond with and indicate the distance which the platen must be turned backward after the printing of each original'sheet, to bring the copy of the next like original sheet at the desired distance from the copy of the preceding original sheet. In the use of the device in printing, after the pointer L has been adjusted to a fixed position relatively to the the pointer J, in the manner described, or otherwise, printing of each invoice is completed in the usual manner, and on completion of the last line thereof, the disk I is' turned on the platen shaft, without turning the platen, until the said pointer J' is opposite the stationary, pointer K. The platen is'then turned forward, if necessary, to re-' move the printed original sheet, and then tin'ned backward, carrying with it the disk I and pointers J and L'until the pointer L is opposite the said stationary pointer K. The

new sheet ol paper is then inserted, by being thrust into the machine until its top edge is in contact with the first guide roller by which it is gripped to the platen, and the platen turned forwardly to carry the record sheet and the new original'sheet into position for printing.

It follows that by the use of the device described. the operator, having once determined the angular distance or number ofline spaces which the platen must he turned. backwardly for-starting a new sheet, can, in every instance, or when inserting each new original sheet for an original bill or invoice, invariably turn the .platen backward to the same distance, according to the angular distance between the pointers J and L and will thus be able to; invariably bring the first printed line of the carbon copyjhe same dislance from the last printed hne of the pre- -J which is fixed to the disk or the viously made copy on said record sheet,

thcreb leaving uniform spaces between the severe -'carbon copies of the record sheet. Moreover, the operator is able to locate the carboncopies on the record sheet as closely together as desirable, without danger on the one hi nd of bringing the carbon copies toether or overla pin them, and without.

iability-on the ot er and of separating the carbon copies on the record sheet so widely as to waste space on the said record sheet.

The graduations or scale marks on the disk [are mainly useful to enable the pointer L to beset in desired positions for original sheets having headings of"different widths, without any tests to determine such positions, when the operator has reviously ascertained and knows from 'reco lection the places. on the scale at which the pointer must be located for the different original sheets; Moreover,

as the raduations correspond with line spaces, i? s aces between carbon copies greater or less, t is can be done by merely shifting the pointer L backward or fogwardby one or more spaces as desired.

If the graduations of thedisk I were arranged reverscly to'that shown, or so asto run in .theopp'ositel direction from the pointer J, then on the completion of any bill-or invoice the stationary pointer and the platen would then be turned backwardly far enough to bring the pointer J opposite the said stationary pointer. The result obtained will-be manifestly the same in either case, it being manifest that the angular distance between the pointers J and L will .in an case correspond with the extent of bac ward turning movement required in the platen, and that it'isimmaterial whether the pointer omter L which is adjustable therein be user to mark the starting point of the backward turning movement.

While the disk I-is shown as having a prothe operator desires to make the jecting part forming the pointer J, et the same re'sult'will be obtained by provi ing the said disk with a score line or zero mark for the scale. Moreover, the stationary pointer K may be replaced by a mark or scoreline on the end plate of the carriage frame.

, The graduations or scale markson the disk are used merely for convenience in setting the pointer L relatively to the ointer J, orand has noan equivalent mark on the disk function to perform in the. usual operation of the disk or wheel; the only parts coming into use at such time being the pointer Kon the frame, and the fixed and adjustable pointers on the disk, the angular distance of which latter from each other determines the dis- In fact the disk I and its graduations may be omitted, in which case the pointer J or the and rotative platen, of a pointer on the frame, and two pointers which turn with, and have zero mark on'the disk would be replaced by a pointer carried, by'a rotative f arm on \the platen shaft, and adapted to co*a'ct=with a like pointer carried .by another arm having angular ad'ustment with respect to the first arm and a apted with said first arm to indicate the angular distance through which the platen is turned. -A construction of this latter kind is shown in Figs. 4 and 5. In this instance, a fiat disk or ring R surrounds the platen shaft adjacent to a disk S, affixed thereto, a spring washer 8 being located between said ring and disk. The ring R is attached to a sleeve R on which is mounted a flat ring T which rests in contact with the ring R and is attached'to a sleeve T The rings R and T are provided with-radial pointers R T. The ring T isshown as held in frictional contact with the ring-R by means, of a spring ring or washer t surrounding the sleeve R between the outer endl'of the sleeve T and a ring 1 secured to the said sleeve R The end plate of, the carriagelis, in this instance, provided with an armim rr pointer V. The operation of the form of Mice shown in said Figs. 4 and 5 is the same as that of the form first described, the distance to whichthe platen is to be turned backward to give uniform spaces between the carbon copies, being determined by the angular distance apart of the relatively adjustable pointers R and T which are held from rotative move ment when adjusted by the friction produced by the spring washer't. I

From what has been heretofore stated, it will be understood that by the term pointer as used in the a pended claims, is intended to mean as well a isk provided with an indicating mark or score line, or a part of or upon the carriage frame having such mark or score line,'as a projectin part, arm or index finger, the part referre 'to in either case equally performing the functions of an indicating means to determine the line-s ace position of the platen or the extent tow ich it is turned.

I claim as my invention 1. The combination with arotative'platem. of two pointers which turn-with. and have rotative adjustment relatively to the platen and also have angular adjustment relatively to each other.

2. The combination with a carriage frame rotative adjustment relatively to, the platen, and which also have angular adjustment. relatively to each other.

3. The combination with a rotative platen and its shaft, of two pointers adapted for rotative movement on the shaft and with respect to each other, means affording frictional justment on the shaft, and, two pointers carried by the disk'"and having angular adjustment relativel to each other. I

5. The com ination with a rotative-platen and its shaft, of a disk having-rotative frictional engagement with said shaft, and two pointers, one .of which is fixed to the disk and the other of which hasangnlar adjustment onsaid disk andinterlockingconnection with the same. 1

6. The combination with a rotative platen andits shaft, of a disk having rotative adjustment on the shaft and provided with circumferential scale marks or gradu'ations, and a pointer carried by and having angular adjustment onsaid disk.

7. The combination with a rotative platen and its shaft, of an annular member mounted on the shaft, means affording frictional engagement of said annular member with the shaft, a second annular member mounted on the first named annular member, two pointers carried by said annular members, and means for locking the pointer on the second annular member to the first annular member in a desired angular relation to the othef pointer. c

, 8. The combination with a rotative'piaten and its shaft, of a disk having a central hub and provided with a pointer,a sleeve mounted to turn on said hub and provided with a second pointer, means affording frictional engagement of the disk with the shaft and means affording interlocking engagement of the second pointer with the said disk.

9. The combination with a rotative platen and its shaft, of a disk having a central hub, and p'rovided with a pointer, a sleeve mounted on said hub and provided with a. second pointer, means for adj ustably holding the disk from turning on the shaft, and locking means for holding the second pointer in a desired angular position relatively to the first pointer embracing annularly arranged sockets in the said disk and a spring actuated detent on said second pointer adapted to engage either one of said sockets.

In testimony, that I claim the foregoing as my invention I affix my signature in presence of two witnesses, this 22nd day of December,

W. W. HALL, G. J. BRYCE. 

